My favorite event was at a large far eastern airport that shall remain unnamed to protect the guilty. A smartly dressed fellow put his laptop bag on the belt, which was returned on account of a small bottle of water. Security told him: the water is not allowed through the x-ray machine. Oh, all right, said the man, he took the bottle, sent the bag through x-ray and walked through the metal detector gate with the water. Picked up the bag, and merrily walked to his gate...